American Library Association Library Extension Board & Lester, C. B. (1926). Library extension: A study of public library conditions and needs. American Library Association.
Citace podle Chicago (17th ed.)American Library Association Library Extension Board a Clarence Brown Lester. Library Extension: A Study of Public Library Conditions and Needs. Chicago: American Library Association, 1926.
Citace podle MLA (9th ed.)American Library Association Library Extension Board a Clarence Brown Lester. Library Extension: A Study of Public Library Conditions and Needs. American Library Association, 1926.
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